#include<avr/io.h>
#include"variable.h"


uint8 crc8_table[256] =
{

		 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
         0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
         0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
         0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
         0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
         0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
         0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
         0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
         0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
         0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
         0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
         0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
         0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
         0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
         0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
         0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
         0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
         0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
         0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
         0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
         0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
         0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
         0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
         0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
         0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
         0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
         0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
         0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
         0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
         0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
         0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
         0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3


};

uint8 UDC_CRC_8(uint8 *udc_data, uint8 udc_size )  
{  
    uint8 udc_crc8_i=0U,udc_j=0U;
	uint8 udc_array_data= 0U;
	uint8 udc_crc_accum = 0U;
	
	for( udc_j = 0U; udc_j < udc_size; udc_j++ )
	{
		udc_array_data = *(&udc_data[udc_j]);
		udc_crc8_i =((udc_crc_accum)^(udc_array_data));	
		udc_crc_accum = crc8_table[udc_crc8_i] ;		
				
	}
		
	return udc_crc_accum;
}

uint8 HPA_CRC_8(uint8 *hpa_data, uint8 hpa_size )  
{  
    uint8 hpa_crc8_i=0U,hpa_j=0U;
	uint8 hpa_array_data= 0U;
	uint8 hpa_crc_accum = 0U;
	
	for( hpa_j = 0U; hpa_j < hpa_size; hpa_j++ )
	{
		hpa_array_data = *(&hpa_data[hpa_j]);
		hpa_crc8_i =((hpa_crc_accum)^(hpa_array_data));	
		hpa_crc_accum = crc8_table[hpa_crc8_i] ;		
				
	}
		
	return hpa_crc_accum;
}



uint8 UDC_CRC_Check8(uint8 *udc_buff , uint8 udc_buff_size)
{
	uint8 udc_calCRC = 0U;
    uint8 udc_val;

	udc_calCRC = UDC_CRC_8(&udc_buff[0] , udc_buff_size); 
	
	
	if(udc_calCRC != udc_buff[udc_buff_size] )
	{
		udc_val = 0U;
	}
	else
	{
		udc_val= 1U;
	}
	
    return udc_val;
}

uint8 HPA_CRC_Check8(uint8 *hpa_buff , uint8 hpa_buff_size)
{
	uint8 hpa_calCRC = 0U;
    uint8 hpa_val;

	hpa_calCRC = HPA_CRC_8(&hpa_buff[0] , hpa_buff_size); 
	
	
	if(hpa_calCRC != hpa_buff[hpa_buff_size] )
	{
		hpa_val = 0U;
	}
	else
	{
		hpa_val= 1U;
	}
	
    return hpa_val;
}

